- name: Add wheezy-backports to get a reasonably current Dovecot on Debian 7
  apt_repository: repo='deb http://http.debian.net/debian wheezy-backports main'
  when: ansible_distribution_release == 'wheezy'
  tags:
    - dependencies

- name: Install Dovecot and related packages on Debian 7
  apt: pkg={{ item }} update_cache=yes state=latest default_release=wheezy-backports
  with_items:
    - dovecot-core
    - dovecot-imapd
    - dovecot-lmtpd
    - dovecot-managesieved
    - dovecot-pgsql
    - dovecot-pop3d
  when: ansible_distribution_release == 'wheezy'
  tags:
    - dependencies

- name: Install Dovecot and related packages on distributions other than Debian 7
  apt: pkg={{ item }} update_cache=yes state=installed
  with_items:
    - dovecot-core
    - dovecot-imapd
    - dovecot-lmtpd
    - dovecot-managesieved
    - dovecot-pgsql
    - dovecot-pop3d
  when: ansible_distribution_release != 'wheezy'
  tags:
    - dependencies

- name: Install Postgres 9.1 for Dovecot on older distributions
  apt: pkg=postgresql-9.1 state=present
  when: ansible_distribution_release != 'trusty' and ansible_distribution_release != 'jessie'
  tags:
    - dependencies

- name: Install Postgres 9.3 for Dovecot on Ubuntu Trusty
  apt: pkg=postgresql-9.3 state=present
  when: ansible_distribution_release == 'trusty'
  tags:
    - dependencies

- name: Install Postgres 9.4 for Dovecot on Debian Jessie
  apt: pkg=postgresql-9.4 state=present
  when: ansible_distribution_release == 'jessie'
  tags:
    - dependencies

- name: Create vmail group
  group: name=vmail state=present gid=5000

- name: Create vmail user
  user: name=vmail group=vmail state=present uid=5000 home=/decrypted shell=/usr/sbin/nologin

- name: Ensure mail domain directories are in place
  file: state=directory path=/decrypted/{{ item.name }} owner=vmail group=dovecot mode=770
  with_items: mail_virtual_domains

- name: Ensure mail directories are in place
  file: state=directory path=/decrypted/{{ item.domain }}/{{ item.account }} owner=vmail group=dovecot
  with_items: mail_virtual_users

- name: Copy dovecot.conf into place
  copy: src=etc_dovecot_dovecot.conf dest=/etc/dovecot/dovecot.conf

- name: Copy additional Dovecot configuration files in place
  copy: src=etc_dovecot_conf.d_{{ item }} dest=/etc/dovecot/conf.d/{{ item }}
  with_items:
    - 10-auth.conf
    - 10-mail.conf
    - 10-master.conf
    - 10-ssl.conf
    - auth-sql.conf.ext
  notify: restart dovecot

- name: Template 15-lda.conf
  template: src=etc_dovecot_conf.d_15-lda.conf.j2 dest=/etc/dovecot/conf.d/15-lda.conf
  notify: restart dovecot

- name: Template dovecot-sql.conf.ext
  template: src=etc_dovecot_dovecot-sql.conf.ext.j2 dest=/etc/dovecot/dovecot-sql.conf.ext
  notify: restart dovecot

- name: Ensure correct permissions on Dovecot config directory
  file: state=directory path=/etc/dovecot
          group=dovecot owner=vmail mode=770 recurse=yes
  notify: restart dovecot

- name: Set firewall rules for dovecot
  ufw: rule=allow port={{ item }} proto=tcp
  with_items:
    - imaps
    - pop3s